[INFO] cloning repository https://github.com/mgattozzi/oxidizing-the-technical-interview [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mgattozzi/oxidizing-the-technical-interview" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmgattozzi%2Foxidizing-the-technical-interview", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmgattozzi%2Foxidizing-the-technical-interview'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b536ec33119b316c2527476541def377c63b14b4 [INFO] checking mgattozzi/oxidizing-the-technical-interview against try#894d32a5432c6a6461bb2aac7c3d5f2e87dce83f for pr-77015 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmgattozzi%2Foxidizing-the-technical-interview" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mgattozzi/oxidizing-the-technical-interview on toolchain 894d32a5432c6a6461bb2aac7c3d5f2e87dce83f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/mgattozzi/oxidizing-the-technical-interview [INFO] finished tweaking git repo https://github.com/mgattozzi/oxidizing-the-technical-interview [INFO] tweaked toml for git repo https://github.com/mgattozzi/oxidizing-the-technical-interview written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/mgattozzi/oxidizing-the-technical-interview already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] fe10289e1a4c5811f4e5e9501c67c279374f1a17ee3cdba04be7c39f7c9a8cdc [INFO] running `Command { std: "docker" "start" "-a" "fe10289e1a4c5811f4e5e9501c67c279374f1a17ee3cdba04be7c39f7c9a8cdc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fe10289e1a4c5811f4e5e9501c67c279374f1a17ee3cdba04be7c39f7c9a8cdc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fe10289e1a4c5811f4e5e9501c67c279374f1a17ee3cdba04be7c39f7c9a8cdc", kill_on_drop: false }` [INFO] [stdout] fe10289e1a4c5811f4e5e9501c67c279374f1a17ee3cdba04be7c39f7c9a8cdc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6340efd9b1d1554f423dc9c23e4f7a5ffd1219cf9098136a6a1b292cb71065e5 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "6340efd9b1d1554f423dc9c23e4f7a5ffd1219cf9098136a6a1b292cb71065e5", kill_on_drop: false }` [INFO] [stderr] Checking oxidizing-the-interview v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0152]: found duplicate lang item `sized` [INFO] [stdout] --> src/main.rs:47:1 [INFO] [stdout] | [INFO] [stdout] 47 | pub trait Sized {} [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: the lang item is first defined in crate `core` (which `std` depends on) [INFO] [stdout] = note: first definition in `core` loaded from /opt/rustwide/rustup-home/toolchains/894d32a5432c6a6461bb2aac7c3d5f2e87dce83f/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-2675a9a46b5cec89.rlib [INFO] [stdout] = note: second definition in the local crate (`oxidizing_the_interview`) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0152]: found duplicate lang item `freeze` [INFO] [stdout] --> src/main.rs:49:1 [INFO] [stdout] | [INFO] [stdout] 49 | auto trait Freeze {} [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: the lang item is first defined in crate `core` (which `std` depends on) [INFO] [stdout] = note: first definition in `core` loaded from /opt/rustwide/rustup-home/toolchains/894d32a5432c6a6461bb2aac7c3d5f2e87dce83f/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-2675a9a46b5cec89.rlib [INFO] [stdout] = note: second definition in the local crate (`oxidizing_the_interview`) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0152]: found duplicate lang item `receiver` [INFO] [stdout] --> src/main.rs:54:1 [INFO] [stdout] | [INFO] [stdout] 54 | trait Receiver {} [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: the lang item is first defined in crate `core` (which `std` depends on) [INFO] [stdout] = note: first definition in `core` loaded from /opt/rustwide/rustup-home/toolchains/894d32a5432c6a6461bb2aac7c3d5f2e87dce83f/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-2675a9a46b5cec89.rlib [INFO] [stdout] = note: second definition in the local crate (`oxidizing_the_interview`) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0152]: found duplicate lang item `index` [INFO] [stdout] --> src/main.rs:56:1 [INFO] [stdout] | [INFO] [stdout] 56 | / trait Index { [INFO] [stdout] 57 | | type Output: ?Sized; [INFO] [stdout] 58 | | fn index(&self, index: Idx) -> &Self::Output; [INFO] [stdout] 59 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: the lang item is first defined in crate `core` (which `std` depends on) [INFO] [stdout] = note: first definition in `core` loaded from /opt/rustwide/rustup-home/toolchains/894d32a5432c6a6461bb2aac7c3d5f2e87dce83f/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-2675a9a46b5cec89.rlib [INFO] [stdout] = note: second definition in the local crate (`oxidizing_the_interview`) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0152]: found duplicate lang item `copy` [INFO] [stdout] --> src/main.rs:79:1 [INFO] [stdout] | [INFO] [stdout] 79 | trait Copy: Clone {} [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: the lang item is first defined in crate `core` (which `std` depends on) [INFO] [stdout] = note: first definition in `core` loaded from /opt/rustwide/rustup-home/toolchains/894d32a5432c6a6461bb2aac7c3d5f2e87dce83f/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-2675a9a46b5cec89.rlib [INFO] [stdout] = note: second definition in the local crate (`oxidizing_the_interview`) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0152]: found duplicate lang item `eq` [INFO] [stdout] --> src/main.rs:87:1 [INFO] [stdout] | [INFO] [stdout] 87 | / trait PartialEq { [INFO] [stdout] 88 | | fn eq(&self, other: &Rhs) -> bool; [INFO] [stdout] 89 | | fn ne(&self, other: &Rhs) -> bool { [INFO] [stdout] 90 | | !self.eq(other) [INFO] [stdout] 91 | | } [INFO] [stdout] 92 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: the lang item is first defined in crate `core` (which `std` depends on) [INFO] [stdout] = note: first definition in `core` loaded from /opt/rustwide/rustup-home/toolchains/894d32a5432c6a6461bb2aac7c3d5f2e87dce83f/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-2675a9a46b5cec89.rlib [INFO] [stdout] = note: second definition in the local crate (`oxidizing_the_interview`) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0152]: found duplicate lang item `partial_ord` [INFO] [stdout] --> src/main.rs:94:1 [INFO] [stdout] | [INFO] [stdout] 94 | / trait PartialOrd: PartialEq { [INFO] [stdout] 95 | | fn partial_cmp(&self, other: &Rhs) -> Option; [INFO] [stdout] 96 | | fn lt(&self, other: &Rhs) -> bool { [INFO] [stdout] 97 | | matches!(self.partial_cmp(other), Some(Less)) [INFO] [stdout] ... | [INFO] [stdout] 107 | | } [INFO] [stdout] 108 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: the lang item is first defined in crate `core` (which `std` depends on) [INFO] [stdout] = note: first definition in `core` loaded from /opt/rustwide/rustup-home/toolchains/894d32a5432c6a6461bb2aac7c3d5f2e87dce83f/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-2675a9a46b5cec89.rlib [INFO] [stdout] = note: second definition in the local crate (`oxidizing_the_interview`) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0152]: found duplicate lang item `not` [INFO] [stdout] --> src/main.rs:110:1 [INFO] [stdout] | [INFO] [stdout] 110 | / trait Not { [INFO] [stdout] 111 | | type Output; [INFO] [stdout] 112 | | [INFO] [stdout] 113 | | fn not(self) -> Self::Output; [INFO] [stdout] 114 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: the lang item is first defined in crate `core` (which `std` depends on) [INFO] [stdout] = note: first definition in `core` loaded from /opt/rustwide/rustup-home/toolchains/894d32a5432c6a6461bb2aac7c3d5f2e87dce83f/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-2675a9a46b5cec89.rlib [INFO] [stdout] = note: second definition in the local crate (`oxidizing_the_interview`) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0152]: found duplicate lang item `neg` [INFO] [stdout] --> src/main.rs:116:1 [INFO] [stdout] | [INFO] [stdout] 116 | / trait Neg { [INFO] [stdout] 117 | | type Output; [INFO] [stdout] 118 | | fn neg(self) -> Self::Output; [INFO] [stdout] 119 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: the lang item is first defined in crate `core` (which `std` depends on) [INFO] [stdout] = note: first definition in `core` loaded from /opt/rustwide/rustup-home/toolchains/894d32a5432c6a6461bb2aac7c3d5f2e87dce83f/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-2675a9a46b5cec89.rlib [INFO] [stdout] = note: second definition in the local crate (`oxidizing_the_interview`) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0152]: found duplicate lang item `sub` [INFO] [stdout] --> src/main.rs:121:1 [INFO] [stdout] | [INFO] [stdout] 121 | / trait Sub { [INFO] [stdout] 122 | | type Output; [INFO] [stdout] 123 | | fn sub(self, rhs: Rhs) -> Self::Output; [INFO] [stdout] 124 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: the lang item is first defined in crate `core` (which `std` depends on) [INFO] [stdout] = note: first definition in `core` loaded from /opt/rustwide/rustup-home/toolchains/894d32a5432c6a6461bb2aac7c3d5f2e87dce83f/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-2675a9a46b5cec89.rlib [INFO] [stdout] = note: second definition in the local crate (`oxidizing_the_interview`) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0152]: found duplicate lang item `slice` [INFO] [stdout] --> src/main.rs:129:1 [INFO] [stdout] | [INFO] [stdout] 129 | / impl [T] { [INFO] [stdout] 130 | | #[allow(unused_attributes)] [INFO] [stdout] 131 | | #[allow_internal_unstable(const_fn_union)] [INFO] [stdout] 132 | | const fn len(&self) -> usize { [INFO] [stdout] ... | [INFO] [stdout] 142 | | } [INFO] [stdout] 143 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: the lang item is first defined in crate `core` (which `std` depends on) [INFO] [stdout] = note: first definition in `core` loaded from /opt/rustwide/rustup-home/toolchains/894d32a5432c6a6461bb2aac7c3d5f2e87dce83f/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-2675a9a46b5cec89.rlib [INFO] [stdout] = note: second definition in the local crate (`oxidizing_the_interview`) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0152]: found duplicate lang item `const_ptr` [INFO] [stdout] --> src/main.rs:146:1 [INFO] [stdout] | [INFO] [stdout] 146 | / impl *const T { [INFO] [stdout] 147 | | unsafe fn add(self, count: usize) -> Self [INFO] [stdout] 148 | | where [INFO] [stdout] 149 | | T: Sized, [INFO] [stdout] ... | [INFO] [stdout] 159 | | } [INFO] [stdout] 160 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: the lang item is first defined in crate `core` (which `std` depends on) [INFO] [stdout] = note: first definition in `core` loaded from /opt/rustwide/rustup-home/toolchains/894d32a5432c6a6461bb2aac7c3d5f2e87dce83f/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-2675a9a46b5cec89.rlib [INFO] [stdout] = note: second definition in the local crate (`oxidizing_the_interview`) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0152]: found duplicate lang item `mut_ptr` [INFO] [stdout] --> src/main.rs:162:1 [INFO] [stdout] | [INFO] [stdout] 162 | / impl *mut T { [INFO] [stdout] 163 | | unsafe fn add(self, count: usize) -> *mut T [INFO] [stdout] 164 | | where [INFO] [stdout] 165 | | T: Sized, [INFO] [stdout] ... | [INFO] [stdout] 174 | | } [INFO] [stdout] 175 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: the lang item is first defined in crate `core` (which `std` depends on) [INFO] [stdout] = note: first definition in `core` loaded from /opt/rustwide/rustup-home/toolchains/894d32a5432c6a6461bb2aac7c3d5f2e87dce83f/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-2675a9a46b5cec89.rlib [INFO] [stdout] = note: second definition in the local crate (`oxidizing_the_interview`) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0152]: found duplicate lang item `start` [INFO] [stdout] --> src/main.rs:264:1 [INFO] [stdout] | [INFO] [stdout] 264 | fn start(main: fn() -> T, _: isize, _: *const *const u8) -> isize { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: the lang item is first defined in crate `std` (which `test` depends on) [INFO] [stdout] = note: first definition in `std` loaded from /opt/rustwide/rustup-home/toolchains/894d32a5432c6a6461bb2aac7c3d5f2e87dce83f/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-edfba68bd3501617.rlib [INFO] [stdout] = note: second definition in the local crate (`oxidizing_the_interview`) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 14 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0152`. [INFO] [stdout] [INFO] [stdout] warning: the feature `const_if_match` has been stable since 1.46.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/main.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | #![feature(const_if_match)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `oxidizing-the-interview` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: internal compiler error: broken MIR in DefId(0:87 ~ oxidizing_the_interview[62ea]::{impl#7}::neg) (NoSolution): could not prove TraitPredicate() [INFO] [stdout] | [INFO] [stdout] = note: delayed at compiler/rustc_mir/src/borrow_check/type_check/mod.rs:258:27 [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] thread 'rustc' panicked at 'no errors encountered even though `delay_span_bug` issued', compiler/rustc_errors/src/lib.rs:961:13 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x7f0b788c66c0 - std::backtrace_rs::backtrace::libunwind::trace::he85dfb3ae4206056 [INFO] [stderr] at /rustc/894d32a5432c6a6461bb2aac7c3d5f2e87dce83f/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96 [INFO] [stderr] 1: 0x7f0b788c66c0 - std::backtrace_rs::backtrace::trace_unsynchronized::h1ad28094d7b00c21 [INFO] [stderr] at /rustc/894d32a5432c6a6461bb2aac7c3d5f2e87dce83f/library/std/src/../../backtrace/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x7f0b788c66c0 - std::sys_common::backtrace::_print_fmt::h901b54610713cd21 [INFO] [stderr] at /rustc/894d32a5432c6a6461bb2aac7c3d5f2e87dce83f/library/std/src/sys_common/backtrace.rs:79 [INFO] [stderr] 3: 0x7f0b788c66c0 - ::fmt::hb0ad78ee1571f7e0 [INFO] [stderr] at /rustc/894d32a5432c6a6461bb2aac7c3d5f2e87dce83f/library/std/src/sys_common/backtrace.rs:58 [INFO] [stderr] 4: 0x7f0b7893465c - core::fmt::write::h1857a60b204f1b6a [INFO] [stderr] at /rustc/894d32a5432c6a6461bb2aac7c3d5f2e87dce83f/library/core/src/fmt/mod.rs:1080 [INFO] [stderr] 5: 0x7f0b788b89e2 - std::io::Write::write_fmt::hf7b7d7b243f84a36 [INFO] [stderr] at /rustc/894d32a5432c6a6461bb2aac7c3d5f2e87dce83f/library/std/src/io/mod.rs:1516 [INFO] [stderr] 6: 0x7f0b788cb22d - std::sys_common::backtrace::_print::hd093978a5287b8ff [INFO] [stderr] at /rustc/894d32a5432c6a6461bb2aac7c3d5f2e87dce83f/library/std/src/sys_common/backtrace.rs:61 [INFO] [stderr] 7: 0x7f0b788cb22d - std::sys_common::backtrace::print::h20f46787581d56d7 [INFO] [stderr] at /rustc/894d32a5432c6a6461bb2aac7c3d5f2e87dce83f/library/std/src/sys_common/backtrace.rs:48 [INFO] [stderr] 8: 0x7f0b788cb22d - std::panicking::default_hook::{{closure}}::h486cbb4b82ffc357 [INFO] [stderr] at /rustc/894d32a5432c6a6461bb2aac7c3d5f2e87dce83f/library/std/src/panicking.rs:208 [INFO] [stderr] 9: 0x7f0b788caed8 - std::panicking::default_hook::h4190c9e3edd4d591 [INFO] [stderr] at /rustc/894d32a5432c6a6461bb2aac7c3d5f2e87dce83f/library/std/src/panicking.rs:227 [INFO] [stderr] 10: 0x7f0b791530c4 - rustc_driver::report_ice::hf8c66d9361a1117a [INFO] [stderr] 11: 0x7f0b788cba76 - std::panicking::rust_panic_with_hook::h72e78719cdda225c [INFO] [stderr] at /rustc/894d32a5432c6a6461bb2aac7c3d5f2e87dce83f/library/std/src/panicking.rs:581 [INFO] [stderr] 12: 0x7f0b788cb5f9 - std::panicking::begin_panic_handler::{{closure}}::h8bd07dbd34150a96 [INFO] [stderr] at /rustc/894d32a5432c6a6461bb2aac7c3d5f2e87dce83f/library/std/src/panicking.rs:484 [INFO] [stderr] 13: 0x7f0b788c6b4c - std::sys_common::backtrace::__rust_end_short_backtrace::hdb6b3066ad29028a [INFO] [stderr] at /rustc/894d32a5432c6a6461bb2aac7c3d5f2e87dce83f/library/std/src/sys_common/backtrace.rs:153 [INFO] [stderr] 14: 0x7f0b788cb5b9 - rust_begin_unwind [INFO] [stderr] at /rustc/894d32a5432c6a6461bb2aac7c3d5f2e87dce83f/library/std/src/panicking.rs:483 [INFO] [stderr] 15: 0x7f0b788cb56b - std::panicking::begin_panic_fmt::hc19e75fd2b7bc39b [INFO] [stderr] at /rustc/894d32a5432c6a6461bb2aac7c3d5f2e87dce83f/library/std/src/panicking.rs:437 [INFO] [stderr] 16: 0x7f0b7c17f0f1 - rustc_errors::HandlerInner::flush_delayed::haf1c0bfad0d39801 [INFO] [stderr] 17: 0x7f0b7c17bb21 - ::drop::h3e5e6042132d8d83 [INFO] [stderr] 18: 0x7f0b791bac06 - core::ptr::drop_in_place::h9bf582933dee4f36 [INFO] [stderr] 19: 0x7f0b791c4b16 - as core::ops::drop::Drop>::drop::h9f4d049e0354b64b [INFO] [stderr] 20: 0x7f0b7914146d - core::ptr::drop_in_place::hc123776ee76106c6 [INFO] [stderr] 21: 0x7f0b79130e2a - rustc_span::with_source_map::hc6e7fae929044d02 [INFO] [stderr] 22: 0x7f0b791a01b8 - rustc_interface::interface::create_compiler_and_run::hbe36d1862bd2f567 [INFO] [stderr] 23: 0x7f0b7918537a - scoped_tls::ScopedKey::set::h0af3b28009000928 [INFO] [stderr] 24: 0x7f0b791a25d3 - std::sys_common::backtrace::__rust_begin_short_backtrace::h9cdb1bad21cfd306 [INFO] [stderr] 25: 0x7f0b7911dd6e - core::ops::function::FnOnce::call_once{{vtable.shim}}::h22e8ded7ea879742 [INFO] [stderr] 26: 0x7f0b788da7ba - as core::ops::function::FnOnce>::call_once::h1080dfe0ef616bdf [INFO] [stderr] at /rustc/894d32a5432c6a6461bb2aac7c3d5f2e87dce83f/library/alloc/src/boxed.rs:1042 [INFO] [stderr] 27: 0x7f0b788da7ba - as core::ops::function::FnOnce>::call_once::hd2747e1f2d5cec32 [INFO] [stderr] at /rustc/894d32a5432c6a6461bb2aac7c3d5f2e87dce83f/library/alloc/src/boxed.rs:1042 [INFO] [stderr] 28: 0x7f0b788da7ba - std::sys::unix::thread::Thread::new::thread_start::hd0f336b4ef6808a7 [INFO] [stderr] at /rustc/894d32a5432c6a6461bb2aac7c3d5f2e87dce83f/library/std/src/sys/unix/thread.rs:87 [INFO] [stderr] 29: 0x7f0b787f7609 - start_thread [INFO] [stderr] 30: 0x7f0b78718103 - clone [INFO] [stderr] 31: 0x0 - [INFO] [stderr] [INFO] [stderr] error: internal compiler error: unexpected panic [INFO] [stderr] [INFO] [stderr] note: the compiler unexpectedly panicked. this is a bug. [INFO] [stderr] [INFO] [stderr] note: we would appreciate a bug report: https://github.com/rust-lang/rust/issues/new?labels=C-bug%2C+I-ICE%2C+T-compiler&template=ice.md [INFO] [stderr] [INFO] [stderr] note: rustc 1.48.0-nightly (894d32a54 2020-09-28) running on x86_64-unknown-linux-gnu [INFO] [stderr] [INFO] [stderr] note: compiler flags: -C embed-bitcode=no -C debuginfo=2 --crate-type bin [INFO] [stderr] [INFO] [stderr] note: some of the compiler flags provided by cargo are hidden [INFO] [stderr] [INFO] [stderr] query stack during panic: [INFO] [stderr] end of query stack [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "6340efd9b1d1554f423dc9c23e4f7a5ffd1219cf9098136a6a1b292cb71065e5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6340efd9b1d1554f423dc9c23e4f7a5ffd1219cf9098136a6a1b292cb71065e5", kill_on_drop: false }` [INFO] [stdout] 6340efd9b1d1554f423dc9c23e4f7a5ffd1219cf9098136a6a1b292cb71065e5